🏷️ Basic Information

Make:

International Harvester

Model:

B275

Product Type:

Full Service Repair Manual

👋 Introduction

Historical Role:

The B275 was a popular utility tractor known for its robustness and versatility in agriculture and general use during its production era.

Competitors:

Competed with similar utility tractors from manufacturers like Ford, Massey Ferguson, John Deere, and Ferguson.

Tractor Strengths:

Reliable diesel engine, robust construction, good hydraulics for its class, PTO functionality.

Value To Owner:

Essential for maintaining and repairing this classic tractor, enabling owners to perform maintenance, diagnose issues, and conduct major repairs themselves, saving on professional service costs.

📋 Manual Details

Primary Coverage:

Full Service Repair and Maintenance

Estimated Pages:

Detailed, extensive coverage implies several hundred pages (specific count not provided, but typical for full service manuals of this era).

Type:

Service Manual / Workshop Manual

Language:

English

Format:

Digital (PDF assumed based on common sales model for historical manuals), potentially printable.

📖 Manual Coverage

Engine Service:

Complete overhaul, tune-up procedures, timing, fuel injection system, cooling system, lubrication system, exhaust system.

Transmission Service:

Repair and overhaul of gearbox, clutch operation, power take-off (PTO) unit.

Drivetrain Service:

Rear axle, differential, drive shafts, final drives, hydraulic lift system.

Steering System:

Steering box, linkage, adjustments, repair.

Braking System:

Mechanical brake system components, adjustments, relining procedures.

Electrical System:

Wiring diagrams, starter motor, generator/alternator, lighting system, battery maintenance, ignition system (if applicable).

Hydraulic System:

Hydraulic pump, cylinders, control valves, linkages, fluid specifications, maintenance.

Chassis And Suspension:

Front axle, rear axle housing, wheel bearings, any suspension components specific to the tractor design.

Bodywork And பராமانه:

Fenders, operator platform, sheet metal repairs, panel removal/installation.

Diagnostic Procedures:

Troubleshooting guides for common problems, symptom-based diagnostics.

Adjustment Procedures:

Carburetor/injector timing, valve clearance, clutch adjustment, brake adjustment, linkage alignment.

Overhaul Procedures:

Complete engine rebuild, transmission disassembly and reassembly, hydraulic pump/cylinder rebuild.

Maintenance Procedures:

Lubrication schedules, filter changes, fluid top-ups, general servicing.

Electrical Troubleshooting:

Circuit tracing, component testing, wiring diagram interpretation.

Hydraulic Troubleshooting:

Identifying leaks, pressure testing, component diagnosis.

Depth:

Comprehensive, covering routine maintenance to complete engine and transmission rebuilds, including detailed exploded views and torque specifications.

📊 Manual Specifications

Digital Format:

PDF (Portable Document Format)

Scan Quality:

Assumed to be high-quality scans of original manuals, enabling clear reproduction of diagrams and text. Clarity of original prints dictates final quality.

Digital Binding:

N/A (Digital format)

Original Paper Type:

Original manuals were typically printed on durable, often coated paper suitable for workshop environments.

⚙️ Engine Specifications

Engine Make Model:

Dresden (or Perkins, depending on region/build variant).

Engine Type:

Diesel

Engine Cylinders:

3-cylinder

Engine Displacement:

Approx. 2.5 Liters (152 cubic inches)

Horsepower Rated:

Approximately 35-40 PTO horsepower (engine rating may vary).

Torque:

Sufficient for utility tasks; specific figures not readily available but characteristic of its class.

Fuel Type:

Diesel Fuel

Injection System:

Direct injection, typically with Bosch or Simms fuel injection pump.

Cooling Type:

Water-cooled

Oil Type:

API Service CD or CE rated diesel engine oil, SAE 30 or 10W-30 depending on ambient temperature (refer to manual for specifics).

Engine Oil Capacity:

Approximately 5.5 - 6.5 US quarts (5.2 - 6.2 liters), including filter. (Exact capacity requires manual confirmation).

🔧 Transmission

Transmission Type:

Manual Gearbox

Number Of Gears:

Typically 8 forward speeds and 2 reverse speeds (a common configuration for this model).

Optional Gearbox:

N/A (Standard gearbox configuration was prevalent).

Clutch Type:

Single-plate, dry type.

Pto Speeds:

Standard PTO speeds (e.g., 540 RPM at rated engine speed), potentially with road gear.

Transmission Oil Type:

EP (Extreme Pressure) gear oil, such as SAE 90 or SAE 80W-90. (Manual confirmation is critical for specific API GL classification).

Transmission Oil Capacity:

Approx. 10-12 US quarts (9.5-11.4 liters) for main gearbox and differential. (Consult manual for exact capacity).

📐 Dimensions

Length:

Varies by configuration, typically around 120-130 inches (305-330 cm) without implements.

Width:

Varies based on tire size and tread width, generally around 60-70 inches (152-178 cm).

Height:

To top of steering wheel or seat, around 55-65 inches (140-165 cm).

Shipping Weight:

Approximately 3500-4000 lbs (1588-1814 kg).

Operating Weight:

Can exceed 4500 lbs (2041 kg) with fluids and operator.

Wheelbase Length:

Approximately 75-80 inches (190-203 cm).

🛡️ Safety Features

Historical Safety Standards:

Tractor safety in this era predated modern standardized testing. Safety relies on operator diligence and mechanical integrity.

Operator Controls:

Mechanical steering, clutch, gear levers, brake pedal. Emphasis on proper operation and understanding of tractor mechanics.

Tractor Stability:

Designed for stability during normal operation; critical to ensure correct tire inflation, ballast, and hitch setup.

Safety Warnings:

The manual will contain crucial safety warnings regarding operating procedures, maintenance, and the use of PTO and hydraulic systems.

💡 Technology Features

Features:

N/A (Tractor of this era is purely mechanical, no electronic infotainment systems).

Features:

N/A (No electronic driver assistance systems).

Features:

N/A (No electronic connectivity features).

🔧 Maintenance

Engine Oil Change:

Typically every 100-250 operating hours or annually (specific recommendations in manual).

Fuel Filter Change:

As needed, or every 250-500 hours, or when issues arise (manual specific).

Air Filter Service:

Regular inspection and cleaning, replacement as needed based on operating conditions (e.g., dusty environments).

Hydraulic Fluid Change:

Typically every 600-1000 operating hours or annually. (Refer to manual for specific interval and filter replacement).

Coolant Type:

Ethylene Glycol based antifreeze/coolant, typically a 50/50 mix with distilled water. (Manual will specify type and concentration).

Hydraulic Fluid Type:

Tractor Hydraulic Fluid (THF) or Universal Tractor Transmission Oil (UTTO) meeting IH specifications. Modern equivalent is typically John Deere Hy-Gard or similar.

Common Wear Points:

Fuel injection pump seals, hydraulic pump seals, clutch wear, PTO shaft wear, potential for overheating if cooling system is neglected, starter motor issues.

Electrical Aging:

As with any tractor of this age, wiring insulation can degrade, leading to shorts or open circuits. Battery terminals and connections require regular cleaning.

📚 Vehicle History

International Harvester Legacy:

International Harvester (IH) was a major American manufacturer of agricultural and construction machinery, known for durable and reliable equipment.

B Series Lineage:

The B275 was part of IH's successful line of 'B' series tractors, which succeeded earlier models and were produced in large numbers globally.

Production Years:

Produced primarily from the mid-1950s into the early 1960s (e.g., circa 1957-1961, but exact dates can vary by region).

Manufacturing Sites:

Manufactured at various International Harvester plants, including significant production in the UK (by McCormick International) and the USA.

🏆 Awards & Recognition

Historical Accolades:

While specific awards aren't usually documented for individual tractor models from this era, the B275 was widely recognized for its reliability and value, contributing to International Harvester's strong market presence.